Loans Receivable Held-For-Sale (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate	$ 1,358		$ 1,712
Church	4,300		5,550
Valuation allowance	(318)		(674)
Loans receivable held for sale, net	19,051		12,983
One-to-four units
Accounts, Notes, Loans and Financing Receivable [Line Items]
One to four units	7,916		0
Five or more units
Accounts, Notes, Loans and Financing Receivable [Line Items]
Five or more units	5,795		6,395
Nonperforming
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowance	0		(382)
Loans receivable held for sale, net	10,168		5,230
Loans receivable held for sale, Gross	10,168	[1]	5,612	[1]
Performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowance	(318)		(292)
Loans receivable held for sale, net	8,883		7,753
Loans receivable held for sale, Gross	$ 9,201		$ 8,045

[1] Net of charge-offs of $2.5 million and $953 thousand at December 31, 2012 and December 31, 2011.